Home / 259,266.18-388,632.18-99,298.47

Finding the Fourth Proportional to 259,266.18, 388,632.18 and 99,298.47

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Solution

The fourth proportional to 259,266.18, 388,632.18 and 99,298.47 is: 148,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,266.18 : 388,632.18 = 99,298.47 : x
  2. Step 2: Convert to fraction form
    259,266.18/388,632.18 = 99,298.47/x
  3. Step 3: Cross multiply
    259,266.18x = 388,632.18 × 99,298.47
  4. Step 4: Simplify right side
    259,266.18x = 38,590,580,866.76
  5. Step 5: Solve for x
    x = 38,590,580,866.76/259,266.18
  6. Step 6: Final answer
    x = 148,845.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.